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Dependence of a gene mutation's phenotype on mutations in other genes
loci to study higher-order epistasis, which plays an important role in shaping evolutionary trajectories. The term epistasis was introduced in 1907 to
Epistasis
One gene variant masking the effect of another in the other copy of the gene
shaft. Other examples of epistasis interactions are dominant epistasis and duplicate recessive epistasis. Each type of epistasis is a modification of the
Dominance_(genetics)
Tabular summary of genetic combinations
interact (see Mendelian inheritance). This can include lethal effects and epistasis (where one allele masks another, regardless of dominant or recessive status)
Punnett_square
Subfield of genetics
returns epistasis. When deleterious mutations also have a smaller fitness effect on high fitness backgrounds, this is known as "synergistic epistasis". However
Population_genetics
Part of the genetic makeup of a cell which determines one of its characteristics
genotype have both A and B proteins expressed on their red blood cells. Epistasis is when the phenotype of one gene is affected by one or more other genes
Genotype
Genetics behind Labrador Retriever coat colour
distinct genes. The interplay among these genes is used as an example of epistasis. Labrador Retrievers are a popular dog breed in many countries. There
Labrador Retriever coat colour genetics
Labrador_Retriever_coat_colour_genetics
Species having two or more distinct forms
that, although it was selected, there was no selection for that trait." Epistasis occurs when the expression of one gene is modified by another gene. For
Polymorphism_(biology)
relationship between number of mutations and fitness is known as synergistic epistasis. By way of analogy, think of a car with several minor faults. Each is
Evolution of sexual reproduction
Evolution_of_sexual_reproduction
Type of pattern of inheritance
expressed because of another genetic factor hindering their expression, this epistasis can make it impossible even for dominant alleles on certain other gene-loci
Non-Mendelian_inheritance
Human retrovirus, cause of AIDS
Parkin NT, Whitcomb JM, Petropoulos CJ (2004). "Evidence for positive epistasis in HIV-1". Science. 306 (5701): 1547–50. Bibcode:2004Sci...306.1547B.
HIV
Allele equilibrium in a population when creation equals elimination by negative selection
affected by epistasis. Epistasis means that the effect on fitness of a mutation is conditional on the presence of other mutations. Negative epistasis occurs
Mutation–selection_balance
Epistasis and functional genomics is the study of how genetic interactions, where one gene affects the expression of another gene, can be systematically
Epistasis and functional genomics
Epistasis_and_functional_genomics
Alteration in the nucleotide sequence of a genome
genetic phenomenon epistasis whereby the phenotypic effect of one mutation is dependent upon mutation(s) at other loci. While epistasis was originally conceived
Mutation
Effect when genes source into a phenotype
sum of these contributions. Non-additive effects involve dominance or epistasis, and cause outcomes that are not a sum of the contribution of the genes
Additive_genetic_effects
Science of genes, heredity and variation
has blue or magenta alleles. This interaction between genes is called epistasis, with the second gene epistatic to the first. Many traits are not discrete
Genetics
Change in the heritable traits of populations
PMID 8796918. Futuyma 2005[page needed] Phillips, Patrick C. (November 2008). "Epistasis—the essential role of gene interactions in the structure and evolution
Evolution
sudden environmental changes affect the epistasis of alleles in the population. As such, negative epistasis (the removal of a resistant allele via mutation)
Evolutionary_rescue
Discipline in genetics
includes studies of intragenomic (within the genome) phenomena such as epistasis (effect of one gene on another), pleiotropy (one gene affecting more than
Genomics
flanking markers contain the genetic information of the additive by additive epistasis between the two marker intervals. As a consequence, a linear model of
Inclusive composite interval mapping
Inclusive_composite_interval_mapping
Limit on the speed of beneficial evolution
10% limit imagined, without empirical evidence, by Haldane. Negative epistasis, especially in the extreme form of a threshold model of truncation selection
Haldane's_dilemma
Gene whose phenotype is altered by a different gene
is altered by the expression of an allele at a separate locus, in an epistasis event. Example: In Labrador Retrievers, the chocolate coat colour is a
Hypostatic_gene
Species of fungus
respectively. The blue lines represent relationships based on genetic epistasis. Red lines represent Wor1 control of each gene, based on Wor1 enrichment
Candida_albicans
genetic equations whilst making the assumption of weak selection and weak epistasis. Selection under these conditions rapidly changes allele frequencies to
Quasi-linkage_equilibrium
Animal fur with multiple color bands on each hair
are four alleles on the agouti locus with the hierarchy of dominance (epistasis): Ay, aw, at, and a. This means a descendant can develop a recessive coat
Agouti_(coloration)
Genus of plants
(sixth ed.). Jones & Bartlett publishers. pp. 3.6 Incomplete Dominance and Epistasis. ISBN 978-0-7637-1511-3. Xue, Yongbiao; Rosemary Carpenter; Hugh G. Dickinson;
Antirrhinum
Type of genetic selection favoring one extreme phenotype
relatively minor interactions or correlations among genes (pleiotropy or epistasis) and trade-offs (antagonistic pleiotropy). Such interactions would not
Directional_selection
Quantitative genetic model developed by Ronald Fisher in 1918
with dominance being of negligible importance, though dominance and epistasis are still relevant for rare Mendelian disorders.[improper synthesis?]
Infinitesimal_model
chronostasis, diastase, diastasis, diastatic, diasystem, ecstasy, ecstatic, epistasis, episteme, epistemic, epistemology, eustasis, eustatic, eustele, haplostele
List of Greek and Latin roots in English/S
List_of_Greek_and_Latin_roots_in_English/S
Passing of traits to offspring from the species' parents or ancestor
paternal line (in case of Y-chromosomal loci) 6. Locus–locus interactions Epistasis with other loci (e.g., overdominance) Gene coupling with other loci (also
Heredity
Ability to understand or feel what another is feeling
KH, Azevedo RT, David AS, van Heeringen K, Gibbs AA (September 2012). "Epistasis between 5-HTTLPR and ADRA2B polymorphisms influences attentional bias
Empathy
Study of chemical processes of living organisms
the so-called "wild type" or normal phenotype. Genetic interactions (epistasis) can often confound simple interpretations of such "knockout" studies
Biochemistry
Whole genome association analysis toolset
for both basic case/control studies and quantitative traits; tests for epistasis PLINK has its own format of text files (.ped) and binary text files (
PLINK_(genetic_tool-set)
Genetics responsible for the appearance of a cat's fur
the sex-linked orange locus: mapping of orange, multiple origins and epistasis over nonagouti". Genetics. 181 (4): 1415–1425. doi:10.1534/genetics.108
Cat_coat_genetics
American geneticist
C. (1995). "Teosinte branched1 and the origin of maize: Evidence for epistasis and the evolution of dominance". Genetics. 141 (1): 333–346. doi:10.1093/genetics/141
John_Doebley
Underlying genetic basis of a phenotypic trait and its variational properties
allelic and mutational effects, and patterns of pleiotropy, dominance, and epistasis. There are several different experimental views of genetic architecture
Genetic_architecture
Protein engineering method
allows for detailed measurements of evolutionary processes, for example epistasis, evolvability, adaptive constraint fitness landscapes, and neutral networks
Directed_evolution
Genetic condition involving hearing loss and depigmentation
severity. Severity tends to be dictated by mutations in other genes (epistasis), as evidenced by distinct familial patterns in severity not tied to Waardenburg
Waardenburg_syndrome
Species of bird
resistance to the heart poisons in insects through positive, intramolecular epistasis. In the breeding season, the black-headed grosbeak comes to bird feeders
Black-headed_grosbeak
Species of amphibian
initial studies indicate that color morph dominance is likely subject to epistasis, and that multiple loci may interact to determine an individual's morph
Red-backed_salamander
Mathematics concept
quantum algorithms. Phylogenetic inference using Hadamard transforms Epistasis representations of all interaction orders Combinatorial design Hadamard
Hadamard_matrix
Selective breeding of plants and animals to serve humans
Mauro-Herrera, M.; Meyer, A.; Rogers, K. (2014). "Beyond the single gene: How epistasis and gene-by-environment effects influence crop domestication". PNAS. 111
Domestication
Functionless relative of a gene
and Escherichia coli, it was found that positive epistasis furthers gene loss while negative epistasis hinders it. List of disabled human pseudogenes Molecular
Pseudogene
Case in which having two different versions of a gene provides an advantage
Previous research, comparing measures of dominance, overdominance and epistasis (mostly in plants), found that the majority of cases of heterozygote advantage
Heterozygote_advantage
Human skin color
MC1R, KITLG and SLC24A4). This does not take into account the effects of epistasis, which would probably increase the number of related genes. Variations
Dark_skin
Species of fruit fly
many basic principles of heredity, including sex-linked inheritance, epistasis, multiple alleles, and gene mapping. D. melanogaster had historically
Drosophila_melanogaster
Species of moth
allele can then process further to give red, which would explain the epistasis. The Jersey tiger is the only lepidopteran which has been designated as
Euplagia_quadripunctaria
was used to evaluate the effects of additive genetic, dominant level, epistasis and heritability value equal to the value of genetic expectations. George
Mating_design
Principle relating genetic variance to fitness
Kimura in 1965 as an approximation in the case of weak selection and weak epistasis. Largely as a result of Fisher's feud with the American geneticist Sewall
Fisher's fundamental theorem of natural selection
Fisher's_fundamental_theorem_of_natural_selection
Branches of science that involve the scientific study of life
field also includes studies of intragenomic phenomena such as heterosis, epistasis, pleiotropy and other interactions between loci and alleles within the
List_of_life_sciences
Former Chinese custom
Melissa J.; Feldman, Marcus W.; Ehrlich, Paul R. (2009). "Sociocultural Epistasis and Cultural Exaptation in Footbinding, Marriage Form, and Religious Practices
Foot_binding
Personality trait
of the absorption trait, hallucinogen effects, and positive symptoms: Epistasis between 5-HT2a and COMT polymorphisms". American Journal of Medical Genetics
Absorption_(psychology)
Measure in population genetics
best individual actually present in a population is much lower. Negative epistasis can make the purging of deleterious mutations more efficient, by making
Genetic_load
Study of the inheritance of continuously variable traits
estimators for the epistasis variances. However, the findings of epigenetics suggest that this may not be an appropriate way to define epistasis. Covariance
Quantitative_genetics
January 2015). "Epistasis Analysis Using Multifactor Dimensionality Reduction". In Moore, Jason H.; Williams, Scott M. (eds.). Epistasis. Methods in Molecular
Multifactor dimensionality reduction
Multifactor_dimensionality_reduction
Common wall lizard
pteridines. This is indicative that a phenomenon such as multiple alleles or epistasis may have a role in determining morphology. Morphs also differ in aspects
Podarcis_muralis
Difference in a quantitative trait between heterozygous and homozygous genotypes
little statistical evidence for contributions from overdominance and epistasis. But whether the best hybrids are getting an extra boost from overdominance
Heterosis
Belief that genetics explains all aspects of human behavior
According to Affifi (2017), "With the discoveries of pleiotropy and epistasis, cracks in the reductionist paradigm emerged even before the rise of molecular
Genetic_reductionism
Single cell RNA sequencing method
methods use a single aggregate statistic, called the transcriptome-wide epistasis coefficient, to guide pathway reconstruction. In contrast with the statistical
Perturb-seq
Concept in classical genetics
| Learn Science at Scitable". www.nature.com. Retrieved 2020-10-25. "Epistasis". www.genome.gov. Retrieved 2024-02-15. Özgüç, Meral (2011). "Genetic
Test_cross
Evolutionary process
the Dobzhansky–Muller model: hybrid dysfunction arises from negative epistasis between derived alleles that evolved separately in each lineage, without
Speciation
mosaic – maternal effect – penetrance – complementation – suppression – epistasis – genetic linkage Model organisms: Drosophila – Arabidopsis – Caenorhabditis
Outline_of_biology
Mauro-Herrera, M.; Meyer, A.; Rogers, K. (2014). "Beyond the single gene: How epistasis and gene-by-environment effects influence crop domestication". Proceedings
Domestication_of_vertebrates
Statistical model
absence of assortative mating, that there is no genetic dominance or epistasis, that all genetic effects are additive, and the absence of gene-environment
ACE_model
Topics referred to by the same term
is altered by the expression of an allele at a separate locus, in an epistasis event Holding current (electronics), the minimum current which must pass
Hypostasis
English biologist (1861–1926)
founded the Journal of Genetics in 1910. Bateson also coined the term "epistasis" to describe the genetic interaction of two independent loci. His interpretations
William_Bateson
Feature selection algorithm used in binary classification
names: authors list (link) Moore, Jason H. (2015). "Epistasis Analysis Using ReliefF". Epistasis. Methods in Molecular Biology. Vol. 1253. Humana Press
Relief_(feature_selection)
Mathematical model
S i {\displaystyle S_{i}} at location i {\displaystyle i} . To model epistasis, we introduce another factor K, the number of other genes that a gene
NK_model
Competitive algorithm for searching a problem space
improve performance of GAs on problems with a high degree of fitness epistasis, i.e. where the fitness of a solution consists of interacting subsets
Genetic_algorithm
British geneticist (1869–1949)
invoked the concept of epistasis to explain that coat colour relied on the relationship between four different factors. The term "epistasis" was coined by William
Florence_Margaret_Durham
Computational biologist
published in PNAS. Furthermore, he co-authored a study in mBio investigating epistasis at the SARS-CoV-2 receptor-binding domain interface and its implications
Guilhem_Faure
Enhancer trap Enriched medium Enucleate cell Enzyme Epigenetics Episome Epistasis Equational division Equivalence group Erythrocytes Escherichia coli Ethics
Index_of_genetics_articles
chromosomal fragments. epistasis The collective action of multiple genes interacting during gene expression. A form of gene action, epistasis can be either additive
Glossary of cellular and molecular biology (0–L)
Glossary_of_cellular_and_molecular_biology_(0–L)
Family of stochastic optimization methods
traditional optimization techniques, such as problems with high levels of epistasis[citation needed]. Nonetheless, the advantage of EDAs is also that these
Estimation of distribution algorithm
Estimation_of_distribution_algorithm
Protein-coding gene in the species Homo sapiens
Saccharomyces cerevisiae as being a member of the evolutionarily conserved RAD52 epistasis group, which additionally includes RAD51, RAD52, RAD55, and RAD57 factors
RAD54L
Reduced biological fitness
(F2 or greater), when recombination has undermined vitality of positive epistasis. Hybrid vigor in the first generation can, in some circumstances, be strong
Outbreeding_depression
organisms. Epistasis is the dependence of the effect of one gene or mutation on the presence of another gene or mutation. Theoretically epistasis can be of
Bacteriophage experimental evolution
Bacteriophage_experimental_evolution
Genus of birds
result of at least three genetic factors working together in a case of epistasis and most probably autosomal, it is not clear whether the 1:1 frequency
Crossbill
Hungarian biologist (born 1975)
as mutational robustness, horizontal gene transfer, genome reduction, epistasis, promiscuous enzyme reactions, and complex adaptations. Csaba Pal's laboratory
Csaba_Pal
covariance between relatives in the presence of arbitrary linkage and epistasis. The genuine impact of these two breakthroughs only became apparent about
F._Wolfgang_Schnell
Field of molecular biology
genes with related function, even if they do not interact physically. Epistasis refers to the fact that effects for two different gene knockouts may not
Functional_genomics
Range of possible values for any characteristic of human beings
be essential to be mindful of inter-genetic interactions or epistasis. Although epistasis is a significant genetic source of biological variation, it
Human_variability
Study of genetic variants in different individuals
it is also possible that complex interactions among two or more SNPs (epistasis) might contribute to complex diseases. Due to the potentially exponential
Genome-wide_association_study
tools were used to understand the mode of inheritance, dominance and epistasis of parasite resistance loci in the host genome. At the same time the group
Dieter_Ebert
Allele responsible for several horse coat colors
appearance and unique terminology. This type of genetic interaction is called epistasis. Horses with both the champagne gene and the cream gene are the most common
Champagne_gene
Study of genes and heredity in plants
hybrid vigor. This was the beginning of identifying gene interactions or epistasis. By the early 1920s, Donald Forsha Jones had invented a method that led
Plant_genetics
Paradigm of rule-based machine learning methods
and mutation in a michigan style learning classifier system to detect epistasis and heterogeneity." InInternational Conference on Parallel Problem Solving
Learning_classifier_system
Process in genetics
two alleles of two different genes, also known as the epistatic effect. Epistasis is the event when one allele at a locus prevents an allele at another
Transgressive_segregation
Concept in genetics
OCLC 173807298. Zbl 1136.17001. Wolf JB, Brodie ED, Wade MJ, eds. (2000). Epistasis and the Evolutionary Process. Oxford, UK; New York: Oxford University
Genetic_drift
chronostasis, diastase, diastasis, diastatic, diasystem, ecstasy, ecstatic, epistasis, episteme, epistemic, epistemology, eustasis, eustatic, eustele, haplostele
List of Greek and Latin roots in English/P–Z
List_of_Greek_and_Latin_roots_in_English/P–Z
Darwinian perspective that biological traits are evolved adaptations
other traits that are not necessarily adaptive. Selection that influences epistasis is a case where the regulation or expression of one gene, depends on one
Adaptationism
Mammalian protein found in Homo sapiens
polymorphism is associated with the risk of Alzheimer's disease in the Epistasis Project". BMC Medical Genetics. 11 (161) 162. doi:10.1186/1471-2350-11-162
Dopamine_beta-hydroxylase
Paradox of combining strategies
adaptive strategies and Parrondo Reed, Floyd A (1 July 2007). "Two-Locus Epistasis With Sexually Antagonistic Selection: A Genetic Parrondo's Paradox". Genetics
Parrondo's_paradox
Percent of variation in IQ scores in a given population associated with genetic variation
that have largely been discounted include gene-gene interactions like epistasis and epigenetics, Devlin, B.; Daniels, Michael; Roeder, Kathryn (1997)
Heritability_of_IQ
Influence of a single gene on multiple phenotypic traits
(lymphocyte immunodeficiency). cis-regulatory element Enhancer (genetics) Epistasis Genetic correlation Metabolic network Metabolic supermice Polygene Paaby
Pleiotropy
https://paperswithcode.com/datasets Penn Machine Learning Benchmarks https://github.com/EpistasisLab/pmlb/tree/master/datasets Public APIs https://github.com/public-apis/public-apis
List of datasets for machine-learning research
List_of_datasets_for_machine-learning_research
American science communicator
role that genetic interactions play in evolution, a phenomenon known as epistasis. Kirby's concept of the diegetic prototype refers to the ways that fictional
David_A._Kirby
Loss of genetic variation in a new population
2023-03-16. Wade, Michael S.; Wolf, Jason; Brodie, Edmund D. (2000). Epistasis and the evolutionary process. Oxford [Oxfordshire]: Oxford University
Founder_effect
Member of a group of interacting genes
additive effects. This assumption is often unrealistic as many genes display epistasis effects which can have unpredictable effects on the distribution of outcomes
Polygene
Autoimmune disease of the liver
multiple independent associations at four established risk loci and epistasis between 1p31 and 7q32 risk variants". Human Molecular Genetics. 21 (23):
Primary_biliary_cholangitis
Immune signaling pathway of insects
human orthologue = UEV1a bend: human orthologue = UBC13 While the exact epistasis of Imd pathway signalling components is continually scrutinized, the mechanistic
Imd_pathway
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